Entanglement-enabled image transmission through complex media
Chlo\'e Verni\`ere, Rapha\"el Guitter, Baptiste Courme, Hugo Defienne

TL;DR
This paper introduces a quantum-entanglement-based technique for transmitting images through complex media, enabling selective image transfer by leveraging quantum correlations, which surpasses classical wavefront-shaping methods.
Contribution
The work presents a novel quantum approach that uses entanglement to faithfully transmit images through scattering media, turning the medium into a quantum-classical filter.
Findings
Images encoded on entangled photons are transmitted faithfully.
Classical light remains scattered and unreadable.
Quantum correlations are preserved across measurement bases.
Abstract
Scattering in complex media scrambles light, thus obscuring images and limiting applications from astronomy to microscopy. Existing computational and wavefront-shaping methods treat scattering as a linear optical-wave inversion problem that aims to render the medium transparent by inverting the scattering process. As classical approaches, they do not account for the quantum nature of the incident field. Here, we demonstrate a quantum-entanglement-based method that enables selective image transmission through complex media. The medium is effectively turned into a quantum-classical image filter via wavefront shaping - images encoded on an entangled two-photon state are transmitted faithfully, while those carried by classical light remain fully scattered and unreadable. This method exploits a property of quantum entanglement - the preservation of photon correlations across multiple…
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Taxonomy
TopicsRandom lasers and scattering media
